linux-kernel - [PATCH v3 06/19] mailbox: hi3660: Use device-managed registration API

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Message-Id: <20181220172002.9016-7-thierry.reding@gmail.com>
Date:   Thu, 20 Dec 2018 18:19:49 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Jassi Brar <jassisinghbrar@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        Kevin Wangtao <kevin.wangtao@...ilicon.com>,
        Kaihua Zhong <zhongkaihua@...wei.com>,
        Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v3 06/19] mailbox: hi3660: Use device-managed registration API

From: Thierry Reding <treding@...dia.com>

Get rid of some boilerplate driver removal code by using the newly added
device-managed registration API.

Cc: Kevin Wangtao <kevin.wangtao@...ilicon.com>
Cc: Kaihua Zhong <zhongkaihua@...wei.com>
Cc: Leo Yan <leo.yan@...aro.org>
Tested-by: Leo Yan <leo.yan@...aro.org>
Signed-off-by: Thierry Reding <treding@...dia.com>
---
 drivers/mailbox/hi3660-mailbox.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/mailbox/hi3660-mailbox.c b/drivers/mailbox/hi3660-mailbox.c
index f9aed5d8f9f1..53f4bc2488c5 100644
--- a/drivers/mailbox/hi3660-mailbox.c
+++ b/drivers/mailbox/hi3660-mailbox.c
@@ -265,7 +265,7 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
 	for (ch = 0; ch < MBOX_CHAN_MAX; ch++)
 		chan[ch].con_priv = (void *)ch;
 
-	err = mbox_controller_register(&mbox->controller);
+	err = devm_mbox_controller_register(dev, &mbox->controller);
 	if (err) {
 		dev_err(dev, "Failed to register mailbox %d\n", err);
 		return err;
@@ -276,17 +276,8 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int hi3660_mbox_remove(struct platform_device *pdev)
-{
-	struct hi3660_mbox *mbox = platform_get_drvdata(pdev);
-
-	mbox_controller_unregister(&mbox->controller);
-	return 0;
-}
-
 static struct platform_driver hi3660_mbox_driver = {
 	.probe  = hi3660_mbox_probe,
-	.remove = hi3660_mbox_remove,
 	.driver = {
 		.name = "hi3660-mbox",
 		.of_match_table = hi3660_mbox_of_match,
-- 
2.19.1